CN108712827B - Automatic assembly equipment for printed board and contact pin - Google Patents

Abstract

The invention discloses automatic assembly equipment for a printed board and a contact pin, which comprises a rack, two assembly conveying belts and a reflow conveying belt which are arranged on the rack in parallel and have opposite conveying directions, at least one template placed on the conveying belt, a template transporting assembly, a contact pin assembly, a printed board assembly, a riveting assembly, a welding assembly and a printed board taking assembly.

Description

Automatic assembly equipment for printed board and contact pin

Technical Field

The invention relates to the technical field of printed board assembly equipment, in particular to automatic printed board and contact pin assembly equipment.

Background

The printed board, namely the printed circuit board and the PCB circuit board, is usually required to be inserted into a body of the printed board to be used as pins in the assembly processing, and then the pins exposed out of the upper surface of the printed board are assembled through riveting, welding and other processes.

Disclosure of Invention

Aiming at the problems in the prior art, the automatic printed board and contact pin assembling equipment aims at having higher automation degree, greatly improving the assembling efficiency and reducing the workload of operators, and is used for overcoming the technical defects.

The specific technical scheme is as follows:

an automatic assembly device for printed boards and pins, comprising:

the upper end face of the frame is provided with two conveying belts with opposite conveying directions, and the two conveying belts are respectively an assembly conveying belt and a reflux conveying belt;

at least one template which is placed on the conveying belt and moves along the conveying direction of the conveying belt, and a plurality of pinholes for inserting pins are arranged on the upper end surface of the template;

the template transferring assembly is used for transferring the templates positioned on the reflow conveyor belt to the assembly conveyor belt;

the pin assembly is used for conducting pin inserting treatment on the templates conveyed on the assembly conveyor belt;

the printed board assembly is used for carrying out printed board processing on the templates which are conveyed on the assembly conveyor belt and are subjected to pin processing;

the riveting assembly is used for riveting pins extending out of the printed board on the template conveyed on the assembly conveyor belt for processing the printed board;

the welding assembly is used for moving the template to the reflow conveyor belt and carrying out welding treatment on a plurality of preset welding points on the upper surface of the riveted printed board;

and the printed board taking assembly is used for taking the printed board which is conveyed on the reflow conveyer belt by the template and is subjected to welding treatment out of the template.

Preferably, the pin assembly, the printed board assembly, the riveting assembly and the printed board taking assembly all comprise a circulation device which is transversely arranged on the conveying belt and is provided with a template inlet and a template outlet which are respectively connected with the conveying belt;

the transfer device comprises at least two push-pull mechanisms and at least two transfer mechanisms, wherein the push-pull mechanisms are used for pushing templates to transfer between the transfer channels and the operation channels, and the transfer mechanisms are used for carrying the templates to move on the operation channels, and operation stations are formed on the operation channels.

Preferably, the template moving assembly comprises a first stand erected on the frame, a two-dimensional moving mechanism arranged on the first stand, and a first air claw connected to the output end of the two-dimensional moving mechanism.

Preferably, the pin assembly comprises a second stand erected on the stand, a first three-dimensional moving mechanism installed on the second stand, a second air claw connected to the output end of the first three-dimensional moving mechanism, a first feeding mechanism and a circulation device, wherein the first feeding mechanism is used for transferring the pins to a position close to the second air claw, and the first three-dimensional moving mechanism can drive the second air claw to move in a three-dimensional manner so as to grasp the pins by the second air claw, transfer the pins to a position right above a template stopped on an operation station of the circulation device and insert the pins into pinholes of the template.

Preferably, the printed board assembly comprises a third stand erected on the stand, a second three-dimensional moving mechanism arranged on the third stand, a rotary sucking disc arranged at the tail end of the output end of the second three-dimensional moving mechanism, a second feeding mechanism and a circulation device;

the second feeding mechanism is used for transferring the printed board to a position close to the rotary sucker, the second three-dimensional moving mechanism can drive the rotary sucker to move in a three-dimensional mode, the second three-dimensional moving mechanism is used for sucking the printed board by the rotary sucker, transferring the printed board to a position right above a template which stays on a working station of the circulation device and inserting the printed board onto a contact pin inserted on the template, the rotary sucker comprises a rotary mechanism and a sucker which are connected into a whole, and the rotary mechanism can rotate by itself 360 to adjust the relative position of a reserved insertion hole and the contact pin on the printed board.

Preferably, the riveting assembly comprises a fourth machine base, a riveting plate which is arranged on the fourth machine base and can longitudinally move, and a circulation device, wherein the riveting plate is driven by a plurality of cylinders arranged on the fourth machine base, and the riveting plate is positioned right above an operation station of the circulation device.

Preferably, the welding assembly comprises a fifth stand erected on the frame, a third three-dimensional moving mechanism arranged on the fifth stand, at least one welding iron arranged at the tail end of the output end of the third three-dimensional moving mechanism, and a template transporting mechanism arranged on the frame and positioned below the welding iron;

the template moving mechanism comprises a working area surrounded by a plurality of baffles, a pushing cylinder arranged perpendicular to the assembly conveying belt, and a feeding cylinder arranged parallel to the reflux conveying belt, wherein one side of the working area is provided with a feeding hole connected with the output end of the assembly conveying belt and a discharging hole connected with the input end of the reflux conveying belt, the pushing cylinder is used for pushing a template entering the working area from the feeding hole to a position flush with the reflux conveying belt, the feeding cylinder is used for pushing the template onto the reflux conveying belt from the discharging hole, and a welding station is formed in the working area.

Preferably, the printed board taking assembly comprises a sixth stand erected on the frame, a fourth three-dimensional moving mechanism arranged on the sixth stand, a third air claw arranged on the tail end of the output end of the fourth three-dimensional moving mechanism, a circulation device and a storage box arranged on one side of the frame;

the fourth three-dimensional moving mechanism can drive the third air claw to move in three dimensions, so that the third air claw can grab the integrated printed board and the pins which are placed on the template, transfer the integrated printed board and the pins to the upper part of the storage box and input the integrated printed board and the pins into the storage box.

Preferably, the transfer runner and the working runner are parallel to the conveyor belt, the transfer runner comprises a first runner with a template inlet and a second runner with a template outlet, and the first runner and the second runner are mutually separated.

Preferably, the first frame, the second frame, the fourth frame and the sixth frame are all provided with an optical fiber sensor, and the third frame is provided with a visual positioning device which is right opposite to the output end of the second feeding mechanism.

The beneficial effects of the technical scheme are that:

the automatic assembly equipment for the printed boards and the contact pins comprises a rack, two conveying belts, at least one template and a plurality of assemblies for assembling and taking the printed boards, so that the automatic assembly flow of the contact pins and the printed boards can be circularly carried out on the conveying belts, the automation degree of the whole assembly process is higher, the efficiency of the assembly flow can be greatly improved, and the workload of operators is reduced.

Drawings

FIG. 1 is a perspective view of an automatic assembly device for printed boards and pins according to the present invention;

FIG. 2 is a perspective view of another view of the automatic assembly device for printed boards and pins according to the present invention;

FIG. 3 is a perspective view of a module transfer assembly portion in the automatic printed board and pin assembly apparatus of the present invention;

FIG. 4 is a perspective view of a portion of a pin assembly in the automatic printed board and pin assembly apparatus of the present invention;

FIG. 5 is a perspective view of a portion of the printed board assembly in the automatic printed board and pin assembly apparatus of the present invention;

FIG. 6 is a perspective view of a portion of a riveting assembly in an automatic printed board and pin assembly apparatus of the present invention;

FIG. 7 is a perspective view of a portion of a solder assembly in the automatic assembly apparatus for printed boards and pins of the present invention;

FIG. 8 is a perspective view of a portion of the printed board assembly taken from the automatic printed board and pin assembly apparatus of the present invention;

FIG. 9 is a perspective view of a runner apparatus in the automatic printed board and pin assembly apparatus of the present invention;

fig. 10 is a schematic view showing a state of a template in each process in the automatic assembly equipment for printed boards and pins according to the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the following embodiments are specifically described with reference to fig. 1 to 10 in the following description.

In a first embodiment of the present invention,

referring to fig. 1 and 2, a perspective view of an automatic assembly device for a printed board and a pin is shown, and fig. 3 to 8 are combined, and perspective views of each component part in the automatic assembly device for the printed board and the pin are shown. And FIG. 9 is a perspective view of the transfer device in the automatic printed board and pin assembly apparatus. And a part of the conventional structure is omitted from the drawing in order to clearly show the structural features of the present embodiment. And defines a horizontal direction, a direction perpendicular to the two conveyor belts is a lateral direction, a horizontal direction perpendicular to the two conveyor belts is a vertical direction, and a vertical direction perpendicular to the conveyor belts is a longitudinal direction in the stereoscopic direction, as shown in fig. 1.

As shown in fig. 1 to 8, the automatic assembly apparatus for printed boards and pins provided by the present invention includes:

the machine frame 1 is provided with two conveying belts 2 with opposite conveying directions on the upper end face, and the two conveying belts 2 are respectively an assembly conveying belt 21 and a reflux conveying belt 22;

at least one template 10 which is placed on the conveyor belt 2 and moves along the conveying direction of the conveyor belt 2, and a plurality of pinholes 11 for inserting pins 12 are arranged on the upper end surface of the template 10;

a template transfer assembly 4 for transferring the templates 10 on the reflow conveyor 22 onto the assembly conveyor 21;

a pin assembly 5 for pin-inserting the template 10 transported on the assembly conveyor 21;

a printed board assembly 6 for performing printed board processing on the template 10 which is transported on the assembly conveyor 21 and has been subjected to pin processing;

the riveting assembly 7 is used for carrying out riveting treatment on the pins 12 extending out of the printed board 13 on the template 10 which is conveyed on the assembly conveyor belt 21 and is subjected to the printed board treatment;

the welding component 8 is used for moving the template 10 to the reflow conveyer belt 22 and performing welding treatment on a plurality of preset welding points on the upper surface of the riveted printed board 13;

the printed board assembly 9 is used for taking out the printed board 13 which is transported by the template 10 on the reflow conveyer belt 22 and is subjected to welding treatment out of the template 10.

Based on the above technical scheme, the automatic assembly equipment for the printed board 13 and the contact pins 12 comprises a rack 1, two conveying belts 2, at least one template 10 and a plurality of assemblies for assembling and taking the printed board 13, so that the automatic assembly flow of the contact pins and the printed board can be circularly carried out on the conveying belts 2, the automation degree of the whole assembly process is higher, the efficiency of the assembly flow can be greatly improved, and the workload of operators is reduced.

In a preferred embodiment, as shown in fig. 1, 4, 5, 6, 8 and 9, the pin assembly 5, the printed board assembly 6, the riveting assembly 7 and the board taking assembly 9 each include a circulation device 3, the circulation device 3 is transversely mounted on the conveyor belt 2 and has a board inlet 31 and a board outlet 32 respectively connected with the conveyor belt 2, two parallel circulation channels 33 and operation channels 34 are formed on the circulation device 3, the circulation device 3 includes at least two push-pull mechanisms 35 and at least two transfer mechanisms 36, the push-pull mechanisms 35 are used for pushing the boards 10 to circulate between the circulation channels 33 and the operation channels 34, and the transfer mechanisms 36 are used for carrying the boards 10 to move on the operation channels 34, and operation stations 37 are formed on the operation channels 34. As shown by way of example in the portion of the pin assembly 5 shown in fig. 4, in the present embodiment, the number of the push-pull mechanism 35 and the transfer mechanism 36 is two, but a plurality of them may be provided if necessary, so that the form 10 can be transferred between two lanes to realize a multi-process operation. The template 10 transported on the assembly and conveying line enters the flow transferring channel 33 through the template inlet 31, is pushed to the flow transferring channel 33 under the action of the push-pull mechanism 35, then the template 10 is moved to the working station 37 by the transfer mechanism 36, the template 10 positioned on the working station 37 is subjected to the pin mounting operation by the pin mounting 12 mechanism of the pin mounting assembly 5, after the pin mounting operation is finished, the template 10 is transferred to a position close to the template outlet 32 by the transfer mechanism 36, the template 10 is pushed to the flow transferring channel 33 by the other push-pull mechanism 35, and the template 10 is removed to the conveying belt 2 by the template outlet 32 by the other transfer mechanism 36. The template 10 can be stably and reliably moved out of the conveying line temporarily and accurately transferred to the working station 37 for corresponding treatment, so that the working accuracy is high, and the conveying line does not need to be stopped temporarily for each treatment operation, thereby being convenient and reliable. In addition, the circulation operation mode of the template 10 in the printed board assembly 6, the riveting assembly 7 and the printed board assembly 9 is similar to the above description, so that the description is not repeated.

As a further preferred embodiment, the number of the push-pull mechanism 35 and the transporting mechanism 36 is two, and the push-pull mechanism 35 and the transporting mechanism 36 are driven by air cylinders to achieve the purposes of push-pull and transporting. Specifically, the circulation path 33 and the working path 34 are parallel to the conveyor belt 2, and the circulation path 33 includes a first flow path having a die plate inlet 31 and a second flow path having a die plate outlet 32, the first flow path and the second flow path being spaced apart from each other and having lengths of one die plate 10, respectively, and the working path 34 having lengths of three die plates 10. In specific use, the first template 10 is pushed by the first runner to enter the working runner 34, then the second template 10 is pushed to push the first template 10 into the working runner 34, the moving mechanism 36 pushes the templates 10 to move in sequence in the working runner 34, the mode that the templates 10 enter the second runner from the working runner 34 is similar to the mode, and the like, the first template 10 can be pushed in place in the second runner, the second template 10 to the fourth template 10 are positioned in the working runner 34 in an end-to-end mode, the second runner is provided with the fifth template 10 just entering from the template inlet 31, and the third template 10 is just positioned on the working station 37 to perform various treatments, the first template 10 is pushed out of the circulation device 3 by the other pushing and pulling mechanism 35 to perform circulation, and various treatments can be sequentially performed at the working station 37. In addition, the push-pull mechanism 35 includes a cylinder and a push block connected to the head end of the cylinder piston rod, the transfer mechanism 36 includes a cylinder and an elbow push block of an "L" structure connected to the head end of the cylinder piston rod, the push block is perpendicular to the flow passage 33, and one end of the elbow push block extends into the working passage 34 and abuts against the rear side of the template 10 to move parallel to the working passage 34 with the template 10, so that the structure is simple and easy to implement, and redundant description is omitted here.

In a preferred embodiment, as shown in fig. 3, the template moving assembly 4 comprises a first frame 41 erected on the frame 1, a two-dimensional moving mechanism 42 installed on the first frame 41, a first air jaw 43 connected to the output end of the two-dimensional moving mechanism 42, and the two-dimensional moving mechanism 42 drives the first air jaw 43 to longitudinally move and horizontally and transversely move above the two conveyor belts 2, and the first air jaw 43 is pneumatically connected with an external air supply device so as to be capable of grabbing the template 10 and moving onto an assembly line when the two-dimensional moving mechanism 42 moves. Specifically, the two-dimensional moving mechanism 42 is similar to a cross sliding table structure, and is implemented by two mutually perpendicular cylinders and a sliding block and sliding rail structure arranged on the first stand 41, and because the structure is commonly found in a multi-dimensional moving mechanical arm, redundant description is omitted here. Specifically, the first housing 41 is generally in a shape of a letter . Further, the template transferring assembly 4 further includes an optical fiber sensor mounted on the first frame 41 for detecting in real time whether the template 10 has been transferred to a proper position by the reflow conveyor 22 for the template 10 transferring operation, and specifically, the optical fiber sensor is electrically connected to a central control system (not shown) of the present apparatus for information interaction and unified control of the operation state. In addition, the first air claw 43, i.e. the pneumatic claw, is used in a similar manner to a suction cup, and the purpose of clamping and grabbing materials is achieved in a pneumatic manner, which is commonly used in an industrial assembly line, so that redundant description is omitted here.

In a preferred embodiment, as shown in fig. 4, the pin mounting assembly 5 includes a second housing 51 erected on the frame 1, a first three-dimensional moving mechanism 52 mounted on the second housing 51, a second air claw 53 connected to an output end of the first three-dimensional moving mechanism 52, and a first feeding mechanism 54 and a transfer device 3, and the first feeding mechanism 54 is used for transferring the pins 12 to a position close to the second air claw 53, and the first three-dimensional moving mechanism 52 is capable of driving the second air claw 53 to move in three dimensions, i.e., move in a lateral direction, a vertical direction and a longitudinal direction, for gripping the pins 12 by the second air claw 53, transferring to a position right above the template 10 resting on the working station 37 of the transfer device 3, and inserting the pins 12 into the pinholes 11 of the template 10. Further, a fiber sensor is mounted on the second housing 51 for identifying and locating the positions of the template 10 and the pinhole 11. Specifically, the first feeding mechanism 54 is a feeding turntable, one side of the feeding turntable extends out of a feeding pipe along a tangential direction, and the pins 12 are placed on the feeding pipe in a close manner and are gripped by the air jaws. The first three-dimensional moving mechanism 52 is implemented by three cylinders arranged horizontally, longitudinally and vertically and a plurality of sliding rail and sliding block structures, and the structures are common to mechanical arms requiring multidimensional movement, so that redundant description is omitted herein, and the implementation manner of the second air claw 53 is similar to that of the first air claw 43, so that redundant description is omitted herein. It is to be noted that, obviously, the first air claw 43 is installed at the end of the output end of the two-dimensional moving mechanism 42, and the second air claw 53 is installed at the end of the output end of the first three-dimensional moving mechanism 52. And the second stand 51 is generally in a shape of a letter.

In a preferred embodiment, as shown in fig. 5, the printed board assembly 6 includes a third stand 61 erected on the frame 1, a second three-dimensional moving mechanism 62 mounted on the third stand 61, a rotary suction cup 63 mounted on the output end of the second three-dimensional moving mechanism 62, and a second feeding mechanism 64 and a circulation device 3, and the second feeding mechanism 64 is used for moving the printed board 13 to a position close to the rotary suction cup 63, and the second three-dimensional moving mechanism 62 can drive the rotary suction cup 63 to move in three dimensions, i.e. move transversely, vertically and longitudinally, so as to suck the printed board 13 by the rotary suction cup 63, move to a position right above the die plate 10 resting on the working station 37 of the circulation device 3, and insert the printed board 13 onto the pins 12 inserted on the die plate 10, and the rotary suction cup 63 includes a rotary mechanism and suction cup connected integrally, and can rotate itself 360 to adjust the relative positions of the reserved insertion holes on the printed board 13 and the pins 12. Specifically, the suction cup is pneumatically connected to the external pneumatic device, and the second feeding mechanism 64 is similar to the first feeding mechanism 54 in structure, and is a feeding turntable structure, which is commonly found on an industrial assembly line, but can also be implemented by a conveying line, so that redundant description is omitted here. The rotating mechanism may be a rotary cylinder or a stepping motor, and the second three-dimensional moving mechanism 62 has the same structure as the first three-dimensional moving mechanism 52, so that the description thereof will be omitted. And the third stand 61 is also shaped like a letter . Further, the third stand 61 is provided with a visual positioning device for the output end of the second feeding mechanism 64, so as to identify the position of the insertion hole of the printed board 13 located at the output end of the second feeding mechanism 64, so as to correspondingly control the rotation angle of the rotary suction cup 63, obviously, all electromagnetic valves, rotary mechanisms, visual positioning devices and actuators connected in series on the connection path of the air cylinders and the external air supply device, and all actuators connected in series on the connection path of the air pawls and the external air supply device are respectively electrically connected with the central control system of the device, so that all information data in the operation state of the device can be collected in a unified manner so as to correspondingly control the operation state of the device, and related devices are the same and will not be described again.

In a preferred embodiment, as shown particularly in fig. 6, the riveting assembly 7 comprises a fourth housing 71, a riveting plate 72 mounted on the fourth housing 71 and longitudinally movable, and a circulation device 3, the riveting plate 72 being driven by a plurality of cylinders mounted on the fourth housing 71, and the riveting plate 72 being located directly above the working station 37 of the circulation device 3. The riveting press plate 72 is driven to rivet the contact pins 12 extending out of the upper end face of the printed board 13 on the template 10 on the operation station 37 under the action of the air cylinder. Specifically, the cylinder and the riveting plate 72 form a punching machine structure, and the fourth stand 71 is also provided with an optical fiber sensor for identifying that the template 10 enters the working station 37, and then the pin 12 head above the surface of the printed board 13 is automatically flattened by the punching machine.

In a preferred embodiment, as shown in fig. 7, the soldering assembly 8 includes a fifth stand 81 erected on the frame 1, a third three-dimensional moving mechanism 82 mounted on the fifth stand 81, at least one soldering iron 83 mounted on an output end of the third three-dimensional moving mechanism 82, a stencil transfer mechanism 84 mounted on the frame 1 and located below the soldering iron 83, and the stencil transfer mechanism 84 includes a working area 841 surrounded by a plurality of baffles, a pushing cylinder 842 disposed perpendicularly to the assembling conveyor 21, a feeding cylinder 843 disposed parallel to the reflow conveyor 22, and a feed port engaged with an output end of the assembling conveyor 21 and a discharge port engaged with an input end of the reflow conveyor 22 on one side of the working area 841, the pushing cylinder 842 being configured to push the stencil 10 entering the working area 841 from the feed port to a position flush with the reflow conveyor 22, the feeding cylinder 843 being configured to push the stencil 10 from the discharge port onto the reflow conveyor 22, and a soldering station being formed in the working area 841. Specifically, as shown in the figure, a pushing cylinder 842 is provided near the assembly line side, and a feeding cylinder 843 is provided at a position facing the input end of the return conveyor 22. The third three-dimensional moving mechanism 82 is driven by the cylinder and is moved by the slider and the slide rail structure, which are the same as the first three-dimensional moving mechanism 52 in structure and operation, and therefore, redundant description is omitted. In this embodiment, the soldering iron 83 is electrically connected to the central control system and has two soldering irons. The number of the preset welding spots is four, and the preset welding spots comprise two points for inserting the pins 12 on the printed board 13. In addition, the fourth housing 71 is also shaped like a letter . The fourth frame 71 is also provided with an optical fiber sensor for identifying and positioning the printed board 13 and the position of the preset solder joint

In a preferred embodiment, as shown in fig. 8 in particular, the printed board taking assembly 9 includes a sixth stand 91 erected on the frame 1, a fourth three-dimensional moving mechanism 92 mounted on the sixth stand 91, a third air claw 93 mounted on an output end of the fourth three-dimensional moving mechanism 92, and a circulation device 3 and a storage box 94 mounted on one side of the frame 1, and the fourth three-dimensional moving mechanism 92 is capable of driving the third air claw 93 to move three-dimensionally, i.e., move horizontally, vertically and longitudinally, for grabbing the integrated printed board 13 and pins 12 resting on the form 10 by the third air claw 93, transferring to above the storage box 94, and inputting into the storage box 94. Further, an optical fiber sensor is mounted on the sixth housing 91 for identifying and positioning the positions of the printed board 13 and the pinhole 11. The fourth three-dimensional moving mechanism 92 has the same structure and operation as the first three-dimensional moving mechanism 52, and the third air jaw 93 has the same structure and operation as the first air jaw 43, so that the detailed description thereof will be omitted.

It should be noted that, in this embodiment, the upper surface of the frame 1 is horizontally disposed, and the two conveyor belts 2 are horizontally disposed on the upper surface of the frame 1 in parallel. Specifically, the two conveying belts 2 each comprise a motor mounted in the frame 1 and a roller for transmission, the conveying belts 2 are conveying belts and sleeved outside the rollers, and therefore redundant description is omitted. In addition, the central control system is internally provided with a PLC controller, the PLC controller is provided with a preset program for uniformly controlling the running state of each electric component according to the signals transmitted by each optical fiber sensor and the visual positioning device, and the PLC controller can adopt DVP-24ES2, but is not limited to the DVP-24ES 2.

In a second embodiment of the present invention,

fig. 10 is a schematic diagram showing a state of a template in each process in the automatic assembly equipment of the printed board and the contact pins. For the first embodiment, the operation method of the automatic assembly device for printed boards and pins will be disclosed in this embodiment, the automatic assembly device for printed boards and pins includes a frame 1, two assembly conveyor belts 21 and a reflow conveyor belt 22 disposed on the frame 1 in parallel and opposite in conveying direction, at least one template 10 placed on the conveyor belt 2, a template transferring assembly 4, a pin assembly 5, a printed board assembly 6, a riveting assembly 7, a welding assembly 8, and a printed board taking assembly 9, and the operation method includes the following steps:

step a, transferring the template 10 on the reflow conveyer belt 22 onto the assembling conveyer belt 21 by the template transferring assembly 4;

step b, inserting pins of the templates 10 conveyed on the assembly conveyor belt 21 by the pin assembly 5;

step c, the template 10 which is conveyed on the assembly conveyer belt 21 and is subjected to pin inserting treatment is subjected to printed board assembling treatment by the printed board assembling component 6;

step d, riveting the pins 12 extending out of the printed board 13 on the templates 10 which are transported on the assembly conveyer belt 21 and processed by the printed board by the riveting assembly 7;

step e, the welding component 8 moves the template 10 to the reflow conveyer belt 22, and a plurality of preset welding points on the upper surface of the riveted printed board 13 are welded;

and f, taking the printed board 13 which is conveyed by the template 10 on the reflow conveyer belt 22 and is subjected to welding treatment out of the template 10 by the printed board taking assembly 9, reflowing the template 10 to a position close to the template transferring assembly 4 along the reflow conveyer belt 22, and repeating the steps a to e to circularly and automatically perform the automatic assembly process of the printed board 13 and the contact pins 12.

Based on the above technical scheme, the operation of each assembling and taking the printed board 13 is performed on the upper template 10 of the conveyor belt 2 by a plurality of components in a sequential circulation manner, so that the assembly process can be automatically and circularly performed, the assembly efficiency can be greatly improved, and the workload of operators is reduced.

In a preferred embodiment, each of the steps b, c, d and f includes a template 10 transferring step, the template 10 transferring step is implemented by a transferring device 3 mounted on the conveyor belt 2, the transferring device 3 has a template inlet 31 and a template outlet 32 respectively connected with the conveyor belt 2, two parallel transferring channels 33 and working channels 34 are formed on the transferring device 3, the transferring device 3 includes two push-pull mechanisms 35 and two transfer mechanisms 36, a working station 37 is formed on the working channels 34, and the template 10 transferring step includes:

step one, the templates 10 sequentially enter the flow diversion channel 33 from the template inlet 31;

step two, pushing the templates 10 from the runner 33 to the working runner 34 by a push-pull mechanism 35 in sequence, and completely propping the previous templates 10 against the working runner 34;

pushing the template 10 along the working channel 34 by a transporting mechanism 36 and pushing the previous template 10 against the working station 37;

step four, after the corresponding operation of the mold is completed at the working station 37, the mold is pushed by the next mold plate 10 to move forward along the working channel 34;

step five, pushing the templates 10 from the operation runner 34 to the flow runner 33 in sequence by another push-pull mechanism 35, and completely abutting the previous templates 10 into the flow runner 33;

step six, the template 10 is pushed out onto the conveyor belt 2 via the template outlet 32 by another transporting mechanism 36.

In addition, the structure and the operation method mentioned in the above two embodiments are mainly applicable to a printed board with only two pins as pins, and the printed board is mainly circular, but are also applicable to a printed board with a plurality of pins as pins and square or special-shaped, and only the number and the spacing of pinholes on the template and a preset program in the central control system need to be correspondingly adjusted, and the method is not limited to the method.

The foregoing description of the preferred embodiment of the invention is merely illustrative of the invention and is not intended to be limiting. It will be appreciated by persons skilled in the art that many variations, modifications, and even equivalents may be made thereto without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (7)

1. Automatic equipment of printing board and contact pin, characterized by, include: the device comprises a frame (1), wherein two conveying belts (2) with opposite conveying directions are arranged on the upper end face of the frame, and the two conveying belts (2) are respectively an assembly conveying belt (21) and a reflux conveying belt (22); at least one template (10) placed on the conveyor belt (2) and moving along with the conveying direction of the conveyor belt (2), and a plurality of pinholes (11) for inserting pins (12) are arranged on the upper end surface of the template (10); a template transfer assembly (4) for transferring templates (10) located on the reflow conveyor (22) onto the assembly conveyor (21); a pin assembly (5) for pin processing of the templates (10) transported on the assembly conveyor belt (21); the printed board assembly (6) is used for carrying out printed board processing on the templates (10) which are conveyed on the assembly conveyor belt (21) and are subjected to pin processing; the riveting assembly (7) is used for carrying out riveting treatment on pins (12) extending out of the printed board (13) on the template (10) which is conveyed on the assembly conveyor belt (21) and is subjected to printed board treatment; the welding assembly (8) is used for moving the template (10) to the reflow conveyor belt (22) and carrying out welding treatment on a plurality of preset welding points on the upper surface of the riveted printed board (13); the printed board taking assembly (9) is used for taking the printed board (13) which is conveyed on the reflow conveyor belt (22) by the template (10) and is subjected to welding treatment out of the template (10); the pin assembly (5), the printed board assembly (6), the riveting assembly (7) and the printed board taking assembly (9) all comprise a circulation device (3), and the circulation device (3) is transversely arranged on the conveying belt (2) and is provided with a template inlet (31) and a template outlet (32) which are respectively connected with the conveying belt (2); two parallel flow channels (33) and operation channels (34) are formed on the flow device (3), the flow device (3) comprises at least two push-pull mechanisms (35) and at least two transfer mechanisms (36), the push-pull mechanisms (35) are used for pushing the templates (10) to flow between the flow channels (33) and the operation channels (34), the transfer mechanisms (36) are used for carrying the templates (10) to move on the operation channels (34), and operation stations (37) are formed on the operation channels (34); the template moving assembly (4) comprises a first base (41) erected on the frame (1), a two-dimensional moving mechanism (42) arranged on the first base (41) and a first air claw (43) connected to the output end of the two-dimensional moving mechanism (42); the flow channel (33) and the working channel (34) are parallel to the conveyor belt (2), the flow channel (33) comprises a first flow channel with the template inlet (31) and a second flow channel with the template outlet (32), and the first flow channel and the second flow channel are mutually separated.

2. The automatic printed board and pin assembling apparatus according to claim 1, wherein the pin mounting assembly (5) comprises a second stand (51) erected on the frame (1), a first three-dimensional moving mechanism (52) mounted on the second stand (51), a second air claw (53) connected to an output end of the first three-dimensional moving mechanism (52), and a first feeding mechanism (54) and one of the circulation devices (3), and the first feeding mechanism (54) is used for transferring pins (12) to a position close to the second air claw (53), and the first three-dimensional moving mechanism (52) can drive the second air claw (53) to move three-dimensionally for grabbing pins (12) by the second air claw (53), transferring the pins (12) to a working station (37) of the circulation device (3) to a position right above a template (10), and inserting pins (12) into pinholes (11) of the template (10).

3. The automatic printed board and pin assembling device according to claim 2, wherein the printed board assembling device (6) comprises a third stand (61) erected on the frame (1), a second three-dimensional moving mechanism (62) installed on the third stand (61), a rotary sucking disc (63) installed at the tail end of the output end of the second three-dimensional moving mechanism (62), a second feeding mechanism (64) and one circulation device (3); the second feeding mechanism (64) is used for transferring the printed board (13) to a position close to the rotary sucker (63), the second three-dimensional moving mechanism (62) can drive the rotary sucker (63) to move three-dimensionally, so that the printed board (13) is sucked by the rotary sucker (63), transferred to the template (10) staying on the working station (37) of the circulation device (3) and inserted onto the inserting needle (12) inserted onto the template (10), and the rotary sucker (63) comprises the rotary mechanism and the sucker which are connected into a whole and can rotate by itself 360 to adjust the relative position of the inserting hole reserved on the printed board (13) and the inserting needle (12).

4. A printed board and pin automatic assembly device according to claim 3, characterized in that the riveting assembly (7) comprises a fourth housing (71), a riveting plate (72) mounted on the fourth housing (71) and longitudinally movable, and one circulation means (3), the riveting plate (72) being driven by a plurality of cylinders mounted on the fourth housing (71), and the riveting plate (72) being located directly above the working station (37) of the circulation means (3).

5. The automatic printed board and pin assembling apparatus according to claim 4, wherein the soldering assembly (8) comprises a fifth stand (81) erected on the frame (1), a third three-dimensional moving mechanism (82) mounted on the fifth stand (81), at least one soldering iron (83) mounted on an output end of the third three-dimensional moving mechanism (82), and a template transporting mechanism (84) mounted on the frame (1) and located below the soldering iron (83); the template moving mechanism (84) comprises a working area (841) surrounded by a plurality of baffles, a pushing cylinder (842) perpendicular to the assembly conveying belt (21), a feeding cylinder (843) parallel to the backflow conveying belt (22), a feeding port connected with the output end of the assembly conveying belt (21) and a discharging port connected with the input end of the backflow conveying belt (22) are arranged on one side of the working area (841), the pushing cylinder (842) is used for pushing a template (10) entering the working area (841) from the feeding port to a position flush with the backflow conveying belt (22), the feeding cylinder (843) is used for pushing the template (10) from the discharging port to the backflow conveying belt (22), and a welding station is formed in the working area (841).

6. The automatic printed board and pin assembling apparatus according to claim 5, wherein the printed board taking assembly (9) includes a sixth stand (91) erected on the frame (1), a fourth three-dimensional moving mechanism (92) mounted on the sixth stand (91), a third air claw (93) mounted on an output end of the fourth three-dimensional moving mechanism (92), and one circulation device (3) and a storage box (94) mounted on one side of the frame (1); the fourth three-dimensional moving mechanism (92) can drive the third air claw (93) to move in three dimensions, so that the third air claw (93) can grasp the integrated printed board (13) and the pins (12) which are placed on the template (10), transfer the integrated printed board and pins to the upper part of the storage box (94) and throw the integrated printed board and pins into the storage box (94).

7. The automatic printed board and pin assembling apparatus according to claim 6, wherein the first base (41), the second base (51), the fourth base (71), the fifth base (81), and the sixth base (91) are each provided with an optical fiber sensor, and the third base (61) is provided with a visual positioning device corresponding to the output end of the second feeding mechanism (64).